bloop ‧ er /ˈbluːpə $ -ər/ BrE AmE noun [countable] American English
[ Date: 1900-2000 ; Origin: bloop 'unpleasant sound' (1900-2000) , from the sound ]
1 . an embarrassing mistake that you make in front of other people SYN bloomer British English
2 . a ball in baseball that is high and slow, and easy to catch or hit